Container for storage and transport of liquefied gases



Nov. 11, 1930. s. BRAUNSTEIN CONTAINER FOR STORAGE AND TRANSPORT 0F LIQUEFIED GASES Filed April 16 1929 Jnveniar:

Q 1/ 1 m dim QZ%M Patented Nov. 11, 1930 PATENT. OFFICE SOH ULIM BRAUNBTEIN, OF BERLIN, GERMANY CONTAINR FOB STORAGE AND TRANSPORT 01' LIQUEITIED GASES Application filed April 16, 1929, Serial No. 355,534, and in Great Britain am]. 23, me.

liquid coolmg agent on to the spot where it was desired that the cooling should take place. The pouring action was always accom anied by considerable losses of cold, as the liquefied gas in its transit absorbed heat and always rose to a boiling condition while being poured out. Owing to the low temperature of the liquefied gas, an estimate of the cooling effect could be formed only by measuring the liquid while it was being poured out or led away. This brought about an expenditure of liquefied gas, which, from an economic stand oint, bore no relatlon to the cooling eflect o tained or required.

The ob ect of the present invention is to provide a container for holding liquefied gas which container may be readily transported from place to place, the container having therein a tubular conduit leading out from the top of the container and immersed in the li uefied gas and the top of the container eing provided with means whereby cooling pipes may be connected to the conductors in the container or disconnected therefrom, and whereby the container may be stoppered when the pipes are disconnected so as to permit the container to be trans ported from place to place and then connected up with the cooling pipes.

An example of my invention is depicted in the accompanying drawing; in which Fig. 1 shows in section the storage container with a device for conveying the gaseous cooling medium.

Fig. 2 is a section on line 22 of Fig. 1.

Fi 3 shows the neck of the container close by a cork. f v

The container (1 with the liquefied gas therein is surrounded by a covering 6. v The intervening space is evacuated of air in known manner to create eflicient heat insulation. Inside the container a is placed a permeable device d somewhat like a honeycomb cooler for the flow of the gaseous cooling medium such as air. The inlet pipe e and the outlet pipe e for the gaseous cooling medium are led into the container a immediately alon side of the filling inlet a, and are convenient y formed by soldering curved strips 7, f on to the inner wall of the container (1. In this manner, the inward and outward flow of the cooling medium is made to occur through the neck ofthe container, which in all circumstances is to beef narrow dimensions.

When transportin the container, a stopper o is pressed into t e neck by means 0 screwed cap p, said stopper 0 being provided also with a corresponding bore a and sealing thefilling opening 0 and the inlet and outlet pipes e and e simultaneousl By interposing a packing ring 1' of rub er or the like so an absolutely hermetlc closure of the pipes e and e is ensured.

It will be seen that I have provided'a refrigerating structure in which containers for the liquefied gas such as liquefied air may be used, these containers being adapted to be inserted in a refrigerator for instance, and connected up with the pipes containing the fluid to be cooled and left connected up until the liquid air is exhausted when a new container may be put in place or filled with liquefied air and connected up with said pipes. I am aware of the fact that it is old to use a liquid air container in a refrigerating system, but in this case the container is permanently disposed within the refrigerating system and liquid air must be poured from time to time into the container to replenish it. This causes a large loss of liquefied air and is relatively diflicult at a private house whereas these containers may be filled with liquefied air at the factory and then brou ht to the house and disposed within the refiigerator in the same manner that ice is placed in the refrigerator today from time to time as may be necessary, the old and empty con-v tainer being removed. \Vhile I have referred above to the use of this structure in refrigerating system of private houses, it will be understood that inasmuch as the container is portable, it may be carried from place to place and whenever desired to be used connected up with the cold air pipes for refrigerating purposes.

What I claim as my invention and desire to secure by Letters Patent of the United States, is 1. A container for the storage and transport of liquefied gases comprising a heat insulated vessel adapted to contain a liquefied gas, the vessel being formed to provide inlet and outlet conduits extending into the vessel and opening at the mouth thereof, a removable stopper for the mouth of the vessel having inlet and discharge pipes which when the stopper isin place communicatively connect with said conduits, and means for closing said conduits when the stopper is removed.

2. A container for storage and transport of liquefied gases comprising a heat insulated vessel having a contracted neck, a conduit disposed within said vessel and having its ends having screw-threaded engagement with the mouth of the vessel to force the stopper against the mouth of the vessel and hold it in place. Y

5. A container for the storage and transport of liquefied gases comprising a heat insulated vessel adapted to contain liquefied gas, conduits extending into the vessel and terminating at the mouth thereof, the conduits being spaced from each other, a stopper having a central portion formed with a vent, the central portion extending below the body of the stopper whereby it maybe inserted between said conduits, the stopper being provided with a gasket on its under face adapted to elwage with the end wall of the vessel and a cap laving screw-threaded engagement with the neck of the vessel and holdin the stopper in place, the vent opening throug ll said cap.

In testimony'whereof I aflixed my signature.

SCHULIM BRAUN STEIN.

extending into said neck, a removable stopper I for the contracted neck, inlet and outlet pipes engaged with said stopper and adapted when the stopper is in place to register with the conduits, the stopperhaving an air vent and means for closing the adjacent ends of said conduits when the stopper is removed.

3. A container for the storage and trans port of liquefied gases comprising a heatinsulated vessel having a contracted neck exteriorly screw-threaded, the vessel being adapted to contain liquefied gases and having a conduit extending into the bodyof the yes-- sel, the extremities of the conduit terminating at the top of said neck, a stopper adapted to rest upon the top of said neck and carrying inlet and outlet pipes'adaptedwhen the stopper is in place to register with the adjacent ends of said conduits, a gasket disposed between the stopper and the upper end of the vessel, and a cap engaging said stopper and adapted to have screw-threaded engagement with the neck, the stopper having a vent.

4. .A container for the storage and transport of liquefied gases comprising a heat insulated vessel adapted to contain'a liquefied gas, conduits extending into the vessel and terminating at the mouth thereof, and a 010- sure for the vessel including a stopper fitting upon the mouth of the vessel and having a gasket adapted when the stopper is in place to have air-tight engagement with the wall of the vessel at the mouth thereof, and means 

